Re: [PATCH v2 3/4] dt-bindings: new binding for Ilitek ILI9341 display panels
From: David Lechner <david@lechnology.com>
Date: 2018-05-25 20:14:38
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dri-devel, lkml
On 05/25/2018 02:36 PM, David Lechner wrote:
This adds a new binding for Ilitek ILI9341 display panels. It includes a compatible string for one display (more can be added in the future). The vendor prefix "noname" is used because the vendor is not known.
Looks like I forgot to update "noname" to "adafruit" in the commit message. Patch is as intended though.
quoted hunk ↗ jump to hunk
The YX240QV29-T panel[1] is found, for example, in an Adafruit breakout board[2] and in Mindsensors' PiStorms[3]. [1]: https://cdn-learn.adafruit.com/assets/assets/000/046/879/original/SPEC-YX240QV29-T_Rev.A__1_.pdf [2]: https://www.adafruit.com/product/2478 [3]: http://www.mindsensors.com/stem-with-robotics/13-pistorms-v2-base-kit-raspberry-pi-brain-for-lego-robot Signed-off-by: David Lechner <david@lechnology.com> --- .../bindings/display/ilitek,ili9341.txt | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/ilitek,ili9341.txtdiff --git a/Documentation/devicetree/bindings/display/ilitek,ili9341.txt b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt new file mode 100644 index 000000000000..169b32e4ee4e --- /dev/null +++ b/Documentation/devicetree/bindings/display/ilitek,ili9341.txt@@ -0,0 +1,27 @@ +Ilitek ILI9341 display panels + +This binding is for display panels using an Ilitek ILI9341 controller in SPI +mode. + +Required properties: +- compatible: "adafruit,yx240qv29", "ilitek,ili9341" +- dc-gpios: D/C pin +- reset-gpios: Reset pin + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in ../spi/spi-bus.txt must be specified. + +Optional properties: +- rotation: panel rotation in degrees counter clockwise (0,90,180,270) +- backlight: phandle of the backlight device attached to the panel + +Example: + display@0{ + compatible = "adafruit,yx240qv29", "ilitek,ili9341"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio0 9 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>; + rotation = <270>; + backlight = <&backlight>; + };
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